Filter cartridge housing



FIG. 1 is a top plan view of a filter cartridge housing showing our new design;

FIG. 2 is a front elevational view thereof, the rear being a mirror image of the front shown;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a cross-sectional view taken on line 4--4 of FIG. 3;

FIG. 5 is a top plan view of a modified form of the filter cartridge housing shown in FIG. 1;

FIG. 6 is a front elevational view of FIG. 5, the rear being a mirror image of the front shown;

FIG. 7 is a bottom plan view of FIG. 5; and

FIG. 8 is a cross-sectional view taken on line 8--8 of FIG. 7. 

The ornamental design for a filter cartridge housing, as shown and described. 